CN106956492A - A kind of High Performance Thermoplastic Composites truss core flat board and preparation method thereof - Google Patents
A kind of High Performance Thermoplastic Composites truss core flat board and preparation method thereof Download PDFInfo
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- CN106956492A CN106956492A CN201710174388.0A CN201710174388A CN106956492A CN 106956492 A CN106956492 A CN 106956492A CN 201710174388 A CN201710174388 A CN 201710174388A CN 106956492 A CN106956492 A CN 106956492A
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- flat board
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- thermoplastic composite
- composite
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D7/00—Producing flat articles, e.g. films or sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/0004—Cutting, tearing or severing, e.g. bursting; Cutter details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/0012—Mechanical treatment, e.g. roughening, deforming, stretching
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/08—Impregnating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
Abstract
A kind of High Performance Thermoplastic Composites truss core flat board and preparation method thereof, it is related to a kind of High Performance Thermoplastic Composites truss core flat board and preparation method thereof, the invention solves the problems that fuse preparation technology is complicated at present, it is hand-manipulated excessive, preparation efficiency is low, a series of problems, such as performance is unreliable.Flat board of the present invention is interconnected to form truss core flat board by multiple thermoplastic composite pyramid dot matrix fuses and thermoplastic composite top panel and thermoplastic composite lower panel.The flat board prepares thermoplastic composite laminate by mould heat pressure, then by drawing, cutting is cut out, High Performance Thermoplastic Composites truss core flat board is made in connected mode.The present invention is applied to multifunction structure field of material preparation.
Description
Technical field
The present invention relates to a kind of High Performance Thermoplastic Composites truss core flat board and preparation method thereof.
Background technology
Truss core composite is the advanced light multifunction structural material of great potential, compared with traditional material, point
Battle array core filled composite material has a series of excellent properties such as density is small, specific modulus is high, specific strength is big.Continuous fiber reinforced thermoplastic
Composite most outstanding advantages are that have higher toughness, outstanding damage tolerance performance and good shock resistance, are had
Beneficial to the shortcoming for overcoming thermosetting resin base composite interlayer toughness not enough and impact is layered, use environment can be applied to more
Harsh, bearing capacity requires higher, the easy occasion by intense impact.As thermoplastic composite obtains widely should
With the research to thermoplastic composite connection is developed.Compared to traditional adhesive bonding of composites technology, ultra-sonic welded
Technology is a very quick and short-period interconnection technique, and the technology has been applied to the Boeing passenger plane leading edge of a wing of new generation
The connection of muscle and covering.
The content of the invention
The invention provides a kind of High Performance Thermoplastic Composites truss core flat board low cost preparation method, solve
Current fuse preparation technology is complicated, and manual operations is excessive, and preparation efficiency is low, a series of problems, such as performance is unreliable.In addition, utilizing
Thermoplastic composite welding technique, the problems such as solving conventional composite materials structure connection difficulty, hydraulic performance decline.
A kind of preparation method of High Performance Thermoplastic Composites truss core flat board of the present invention, it is according to following step
Suddenly realize：
Step one：Hot pressing die is prepared, before hot pressing, first mould is cleaned with acetone, it is then that releasing agent is equal
It is even to be applied to die surface, mould is put into drying baker, temperature is set to 230 DEG C；
Step 2：Repeat step one is twice；
Step 3：Required to cut continuous fiber reinforced thermoplastic composite material prepreg according to laying；
Step 4：Again to hot pressing die smearing release agent before hot pressing, by laying of the prepreg cut according to design
It is required that being laid in hot pressing die, the compacting of laminate is carried out using hot press, heat pressing process rises to 380 to be first from room temperature
DEG C, the heating-up time is 1.5~3h, after temperature reaches 380 DEG C, the pressure of 10 atmospheric pressure of application, heat-insulation pressure keeping 30min, with
Room temperature is naturally cooled under packing state afterwards, is molded, the demoulding obtains continuous fiber reinforced thermoplastic composite material laminate；
Step 5：Drawn out on above-mentioned compressing composite laminated plate multiple trapezoidal；
Step 6：Using Water Cutting technique, according to finish multiple trapezoidal is drawn in step 5, to composite-material laminates
Cut one by one so that multiple trapezoidal holes are processed on composite-material laminates；
Step 7：The fuse laminate that step 6 is cut out into trapezoidal hole is put into particular manufacturing craft, and progress is hot-forming, i.e.,
Pyramid dot matrix fuse can be obtained；
Step 8：Use the upper and lower panel that truss core flat board is prepared with step 4 identical technique；
Step 9：Using thermoplastic composite ultra-sonic welding techniques by pyramid dot matrix fuse and composite top and bottom
Plate is attached, and forms thermoplastic composite truss core flat board.
A kind of High Performance Thermoplastic Composites truss core flat board of the present invention, it is characterised in that it is multiple including thermoplasticity
Condensation material pyramid dot matrix fuse, thermoplastic composite top panel and thermoplastic composite lower panel；
The thermoplastic composite pyramid dot matrix fuse includes multiple pyramid dot matrix structure unit cells, each gold word
Tower lattice structure unit cell constitutes the integral piece with ladder type by five rod members, five described rod members include upper side pole, two
Bottom bar and two connecting rods；
Described two bottom bars and upper side pole are parallel to each other, and pass through two connections between the upper side pole and two bottom bars
Bar connects the integral piece to form ladder type, wherein, one end of each bottom bar is connected with two connecting rod one end respectively, two connections
Two ends of the other end of bar respectively with upper side pole are connected；
Upper side pole surface in each pyramid dot matrix structure unit cell is connected with thermoplastic composite top panel, under two
Side pole surface is connected with thermoplastic composite lower panel.
The present invention includes following beneficial effect：
The present invention uses continuous fiber reinforced thermoplastic composite material, compared to traditional in the selection of material
Same with thermosetting compound material, thermoplastic composite has a more preferable shock resistance, and moulding process is simple, repeatedly processing and
Recycle；In the preparation of composite fuse, the present invention is used first is pressed into laminate by prepreg, then carries out trapezoidal hole
Processing, and then utilize mould machine-shaping, preparation process is simple, easy to operate, high working efficiency；Also, exist compared to elder generation
The method that prepreg processing trapezoidal hole is suppressed again, the present invention has more preferable physical dimension stability, in the absence of prepreg
Between trapezoidal hole the problem of misplace, therefore mechanical property is also more excellent；The present invention is used in the connection of upper and lower panel and fuse
Ultra-sonic welding techniques, different from the adhesive bonding technique of same with thermosetting compound material, thermoplastic composite welding technique can be obtained more
Plus good interface, boundary defect, increase structure overall mechanical properties and stability are reduced, and ultra-sonic welding techniques are grasped
Facilitate, it is high in machining efficiency, welded in addition, thermoplastic composite dot matrix can be spliced with the later stage, be adapted to prepare large-scale component；This
Invention can realize the production of purely mechanic metaplasia, and applied widely, short preparation period is with low cost, it is adaptable to laboratory research and
Factory produces in batches.
Brief description of the drawings
Fig. 1 is the overlooking the structure diagram of several trapezoidal holes processed on composite-material laminates in the present invention；
Fig. 2 is the main structure diagram of particular manufacturing craft；
Fig. 3 is the dimensional structure diagram of pyramid dot matrix fuse；
Fig. 4 is the dimensional structure diagram of dot matrix fuse；
Fig. 5 is the main structure diagram of pyramid dot matrix structure unit cell；
Fig. 6 is the dimensional structure diagram of thermoplastic composite truss core flat board.
Embodiment
Embodiment one：Illustrate present embodiment, a kind of high-performance thermoplastic of present embodiment with reference to Fig. 1 to Fig. 6
The preparation method of property composite dot-matrix sandwich flat board, it is realized according to following steps：
Step one：Hot pressing die is prepared, before hot pressing, first mould is cleaned with acetone, it is then that releasing agent is equal
It is even to be applied to die surface, mould is put into drying baker, temperature is set to 230 DEG C；
Step 2：Repeat step one is twice；
Step 3：Required to cut continuous fiber reinforced thermoplastic composite material prepreg according to laying；
Step 4：Again to hot pressing die smearing release agent before hot pressing, by laying of the prepreg cut according to design
It is required that being laid in hot pressing die, the compacting of laminate is carried out using hot press, heat pressing process rises to 380 to be first from room temperature
DEG C, the heating-up time is 1.5~3h, after temperature reaches 380 DEG C, the pressure of 10 atmospheric pressure of application, heat-insulation pressure keeping 30min, with
Room temperature is naturally cooled under packing state afterwards, is molded, the demoulding obtains continuous fiber reinforced thermoplastic composite material laminate；
Step 5：Drawn out on above-mentioned compressing composite laminated plate multiple trapezoidal；
Step 6：Using Water Cutting technique, according to finish multiple trapezoidal is drawn in step 5, to composite-material laminates
Cut one by one so that multiple trapezoidal holes are processed on composite-material laminates；
Step 7：The fuse laminate that step 6 is cut out into trapezoidal hole is put into particular manufacturing craft, and progress is hot-forming, i.e.,
Pyramid dot matrix fuse can be obtained；
Step 8：Use the upper and lower panel that truss core flat board is prepared with step 4 identical technique；
Step 9：Using thermoplastic composite ultra-sonic welding techniques by pyramid dot matrix fuse and composite top and bottom
Plate is attached, and forms thermoplastic composite truss core flat board.
Embodiment two：Illustrate present embodiment, present embodiment and embodiment one with reference to Fig. 1 to Fig. 6
Difference is：Forming temperature is 380 DEG C inside hot press in step 4, and briquetting pressure is 1MPa, and the heat-insulation pressure keeping time is
30min.Other compositions and connected mode are identical with embodiment one.
Embodiment three：Illustrate present embodiment, present embodiment and embodiment one with reference to Fig. 1 to Fig. 6
Difference is：Described hot pressing die includes mold and lower mould, and wherein mold is shaped as the trapezoidal of 135 ° of corner,
Lower mould is similarly the trapezoidal mould of 135 ° of corner.Other compositions and connected mode are identical with embodiment one.
Embodiment four：Illustrate present embodiment, a kind of high-performance thermoplastic of present embodiment with reference to Fig. 1 to Fig. 6
Property composite dot-matrix sandwich flat board, it includes thermoplastic composite pyramid dot matrix fuse 1, on thermoplastic composite
Panel 2 and thermoplastic composite lower panel 3；
The thermoplastic composite pyramid dot matrix fuse 1 includes multiple pyramid dot matrix structure unit cells 4, Mei Gejin
Word tower lattice structure unit cell 4 constitutes the integral piece with ladder type by five rod members, and five described rod members include upper side pole 4-
1st, two bottom bar 4-2 and two connecting rod 4-3；
Described two bottom bar 4-2 and upper side pole 4-1 are parallel to each other, between the upper side pole 4-1 and two bottom bar 4-2
The integral piece to form ladder type is connected by two connecting rod 4-3, wherein, each bottom bar 4-2 one end is connected with two respectively
Bar 4-3 one end is connected, and the two ends of the two connecting rod 4-3 other end respectively with upper side pole 4-1 are connected；
Upper side pole 4-1 surfaces in each pyramid dot matrix structure unit cell 4 are connected with thermoplastic composite top panel 2,
Two bottom bar 4-2 surfaces are connected with thermoplastic composite lower panel 3.
Embodiment five：Illustrate present embodiment, present embodiment and embodiment one with reference to Fig. 1 to Fig. 6
Difference is：Described thermoplastic composite top panel 2 and the upper side pole 4-1 in multiple pyramid dot matrix structure unit cells 4
Connection.Other compositions and connected mode are identical with embodiment one.
Embodiment six：Illustrate present embodiment, present embodiment and embodiment one with reference to Fig. 1 to Fig. 6
Difference is：Described thermoplastic composite lower panel 3 and the bottom bar 4-2 in multiple pyramid dot matrix structure unit cells 4
Bottom bar 4-2 in connection, and adjacent two pyramid dot matrix structure unit cells 4 is connected to below same thermoplastic composite
On plate 3.Other compositions and connected mode are identical with embodiment one.
Embodiment seven：Illustrate present embodiment, present embodiment and embodiment one with reference to Fig. 1 to Fig. 6
Difference is：Connection and two bottom bar 4-2s of the described upper side pole 4-1 surfaces with thermoplastic composite top panel 2
Surface is connected with thermoplastic composite lower panel 3, is connected by thermoplastic composite welding technique.It is other composition and
Connected mode is identical with embodiment one.
Embodiment eight：Illustrate present embodiment, present embodiment and embodiment one with reference to Fig. 1 to Fig. 6
Difference is：Thermoplastic composite top panel 2 and thermoplastic composite lower panel 3 are by fibre reinforced thermoplastic
Property polymer matrix composites are made.Other compositions and connected mode are identical with embodiment one.
Present invention is not limited only to the content of the respective embodiments described above, the group of one of them or several embodiments
Contract sample can also realize the purpose of invention.
Beneficial effects of the present invention are verified by following examples：
Embodiment 1
A kind of High Performance Thermoplastic Composites truss core flat board of the present embodiment, it includes thermoplastic composite gold
Word tower dot matrix fuse 1, thermoplastic composite top panel 2 and thermoplastic composite lower panel 3；
The thermoplastic composite pyramid dot matrix fuse 1 includes multiple pyramid dot matrix structure unit cells 4, Mei Gejin
Word tower lattice structure unit cell 4 constitutes the integral piece with ladder type by five rod members, and five described rod members include upper side pole 4-
1st, two bottom bar 4-2 and two connecting rod 4-3；
Described two bottom bar 4-2 and upper side pole 4-1 are parallel to each other, between the upper side pole 4-1 and two bottom bar 4-2
The integral piece to form ladder type is connected by two connecting rod 4-3, wherein, each bottom bar 4-2 one end is connected with two respectively
Bar 4-3 one end is connected, and the two ends of the two connecting rod 4-3 other end respectively with upper side pole 4-1 are connected；
Upper side pole 4-1 surfaces in each pyramid dot matrix structure unit cell 4 are connected with thermoplastic composite top panel 2,
Two bottom bar 4-2 surfaces are connected with thermoplastic composite lower panel 3.
It follows the steps below preparation：
Step one：Hot pressing die is prepared, before hot pressing, first mould is cleaned with acetone, it is then that releasing agent is equal
It is even to be applied to die surface, mould is put into drying baker, temperature is set to 230 DEG C；
Step 2：Repeat step one is twice；
Step 3：Required to cut continuous fiber reinforced thermoplastic composite material prepreg according to laying；
Step 4：Again to hot pressing die smearing release agent before hot pressing, by laying of the prepreg cut according to design
It is required that being laid in hot pressing die, the compacting of laminate is carried out using hot press, heat pressing process rises to 380 to be first from room temperature
DEG C, the heating-up time is 1.5~3h, after temperature reaches 380 DEG C, the pressure of 10 atmospheric pressure of application, heat-insulation pressure keeping 30min, with
Room temperature is naturally cooled under packing state afterwards, is molded, the demoulding obtains continuous fiber reinforced thermoplastic composite material laminate；
Step 5：Drawn out on above-mentioned compressing composite laminated plate multiple trapezoidal；
Step 6：Using Water Cutting technique, according to finish multiple trapezoidal is drawn in step 5, to composite-material laminates
Cut one by one so that multiple trapezoidal holes are processed on composite-material laminates；
Step 7：The fuse laminate that step 6 is cut out into trapezoidal hole is put into particular manufacturing craft, and progress is hot-forming, i.e.,
Pyramid dot matrix fuse can be obtained；
Step 8：Use the upper and lower panel that truss core flat board is prepared with step 4 identical technique；
Step 9：Using thermoplastic composite ultra-sonic welding techniques by pyramid dot matrix fuse and composite top and bottom
Plate is attached, and forms thermoplastic composite truss core flat board.
The correlated performance data of thermoplastic composite truss core flat board manufactured in the present embodiment is as shown in table 1.
The thermoplastic composite truss core flat board performance of table 1
The present invention is using AS4/PEEK as raw material.By data in table it will be seen that more traditional fibre reinforced
Epoxy resin-base composite material, carbon fiber reinforced polyetheretherketonecomposite composite material has excellent tensile strength and stretch modulus.With
Exemplified by 0 ° of laminate, AS4/PEEK tensile strength is 2280MPa, and the 1840MPa more than MT300/603 is up to more than 20%.This
Outside, AS4/PEEK bending strength is also obviously improved compared with MT300/603.
In the application process of composite laminated plate, one of topmost failure mode is exactly delamination, this and material
The interlaminar shear strength of material has the contact of interwoveness.And AS4/PEEK interlaminar shear strength has reached 152MPa, compared with ring
The higher T700S/603 of interlaminar shear strength 93MPa, is higher by more than 60% in epoxide body.AS4/PEEK application will be right
The application development of composite laminated plate has an immense impact on.
Also different from the splicing of same with thermosetting compound material in the connection of thermoplastic composite.Ultra-sonic welding techniques first will
It is connected position fixed under the use of pressure, then applies high-frequency vibrations, in thermoplastic surface and molecule interchain
Heat is produced under rubbing action.When temperature reaches the melting temperature of energy drag film, it will flow under the effect of the pressure, leaching
Moisten the surface of connected component, while the macromolecular chain in interface occurs diffusion and wound, so as to form connection.Than thermosetting
The adhesive bonding technique of composite, this technology can obtain better interface, reduce boundary defect, the overall mechanics of increase structure
Performance and stability, obtain higher interlaminar shear strength.
Claims (8)
1. a kind of preparation method of High Performance Thermoplastic Composites truss core flat board, it is characterised in that it is according to following step
Suddenly realize：
Step one：Hot pressing die is prepared, before hot pressing, first mould is cleaned with acetone, then uniformly applies releasing agent
Die surface is put on, mould is put into drying baker, temperature is set to 230 DEG C；
Step 2：Repeat step one is twice；
Step 3：Required to cut continuous fiber reinforced thermoplastic composite material prepreg according to laying；
Step 4：Again to hot pressing die smearing release agent before hot pressing, by laying requirement of the prepreg cut according to design
Laid in hot pressing die, the compacting of laminate is carried out using hot press, heat pressing process rises first to rise to 380 DEG C from room temperature
The warm time is 1.5~3h, after temperature reaches 380 DEG C, applies the pressure of 10 atmospheric pressure, and heat-insulation pressure keeping 30min is then being protected
Room temperature is naturally cooled under pressure condition, is molded, the demoulding obtains continuous fiber reinforced thermoplastic composite material laminate；
Step 5：Drawn out on above-mentioned compressing composite laminated plate multiple trapezoidal；
Step 6：Using Water Cutting technique, according to finish multiple trapezoidal is drawn in step 5, composite-material laminates are carried out
Cut one by one so that multiple trapezoidal holes are processed on composite-material laminates；
Step 7：The fuse laminate that step 6 is cut out into trapezoidal hole is put into particular manufacturing craft, is carried out hot-forming, you can obtain
Obtain pyramid dot matrix fuse；
Step 8：Use the upper and lower panel that truss core flat board is prepared with step 4 identical technique；
Step 9：Pyramid dot matrix fuse is entered with composite upper and lower panel using thermoplastic composite ultra-sonic welding techniques
Row connection, forms thermoplastic composite truss core flat board.
2. a kind of preparation method of High Performance Thermoplastic Composites truss core flat board according to claim 1, it is special
It is that forming temperature is 380 DEG C inside hot press in step 4 to levy, and briquetting pressure is 1MPa, and the heat-insulation pressure keeping time is 30min.
3. a kind of preparation method of High Performance Thermoplastic Composites truss core flat board according to claim 1, it is special
To levy be that described hot pressing die includes mold and lower mould, and wherein mold is shaped as the trapezoidal of 135 ° of corner, lower mould
Tool is similarly the trapezoidal mould of 135 ° of corner.
4. a kind of High Performance Thermoplastic Composites truss core flat board, it is characterised in that it includes the golden word of thermoplastic composite
Tower dot matrix fuse (1), thermoplastic composite top panel (2) and thermoplastic composite lower panel (3)；
The thermoplastic composite pyramid dot matrix fuse (1) includes multiple pyramid dot matrix structure unit cells (4), Mei Gejin
Word tower lattice structure unit cell (4) constitutes the integral piece with ladder type by five rod members, and five described rod members include upper side pole
(4-1), two bottom bars (4-2) and two connecting rods (4-3)；
Described two bottom bars (4-2) and upper side pole (4-1) are parallel to each other, the upper side pole (4-1) and two bottom bars (4-2)
Between the integral piece of ladder type is formed by the connection of two connecting rods (4-3), wherein, one end of each bottom bar (4-2) respectively with
Two connecting rod (4-3) one end connection, the two ends of the other ends of two connecting rods (4-3) respectively with upper side pole (4-1) are connected；
Upper side pole (4-1) surface in each pyramid dot matrix structure unit cell (4) connects with thermoplastic composite top panel (2)
Connect, two bottom bar (4-2) surfaces are connected with thermoplastic composite lower panel (3).
5. a kind of High Performance Thermoplastic Composites truss core flat board according to claim 4, it is characterised in that described
Thermoplastic composite top panel (2) be connected with the upper side pole (4-1) in multiple pyramid dot matrix structure unit cells (4).
6. a kind of High Performance Thermoplastic Composites truss core flat board according to claim 4, it is characterised in that described
Thermoplastic composite lower panel (3) be connected with the bottom bar (4-2) in multiple pyramid dot matrix structure unit cells (4), and phase
Bottom bar (4-2) in two adjacent pyramid dot matrix structure unit cells (4) is connected to same thermoplastic composite lower panel (3)
On.
7. a kind of High Performance Thermoplastic Composites truss core flat board according to claim 4, it is characterised in that described
Upper side pole (4-1) surface and thermoplastic composite top panel (2) connection and two bottom bar (4-2) surfaces and thermoplastic
Property composite lower panel (3) connection, be to be connected by thermoplastic composite welding technique.
8. a kind of High Performance Thermoplastic Composites truss core flat board according to claim 4, it is characterised in that thermoplastic
Property composite top panel (2) and thermoplastic composite lower panel (3) are thermoplastic resin-based multiple by fibre reinforced
Condensation material is made.
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| CN201710174388.0A CN106956492A (en) | 2017-03-22 | 2017-03-22 | A kind of High Performance Thermoplastic Composites truss core flat board and preparation method thereof |
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| CN201710174388.0A CN106956492A (en) | 2017-03-22 | 2017-03-22 | A kind of High Performance Thermoplastic Composites truss core flat board and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115179616A (en) * | 2022-06-22 | 2022-10-14 | 北京机科国创轻量化科学研究院有限公司 | Lightweight heterogeneous material, aging/curing synchronous die and method for preparing same |
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| CN104669694A (en) * | 2013-11-27 | 2015-06-03 | 上海杰事杰新材料(集团)股份有限公司 | Composite vehicle plate for lorry compartment and preparation method thereof |
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| CN101966764A (en) * | 2010-09-14 | 2011-02-09 | 哈尔滨工业大学 | Light dot matrix sandwich board and method for preparing same by laser drilling |
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| CN104129109A (en) * | 2014-07-30 | 2014-11-05 | 哈尔滨工业大学 | Integrally-reinforced unidirectional fiber-reinforced composite material truss core panel and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115179616A (en) * | 2022-06-22 | 2022-10-14 | 北京机科国创轻量化科学研究院有限公司 | Lightweight heterogeneous material, aging/curing synchronous die and method for preparing same |
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Application publication date: 20170718 |